{"id":187398,"date":"2024-11-11T13:56:19","date_gmt":"2024-11-11T05:56:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187398\/"},"modified":"2024-11-11T13:56:20","modified_gmt":"2024-11-11T05:56:20","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%e7%b0%a1%e4%bb%8b-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1-%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187398\/","title":{"rendered":"\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u57fa\u672c\u6982\u5ff5\u7c21\u4ecb (\u6578\u64da\u5eab\u7cfb\u7d71 \u6982\u5ff5)"},"content":{"rendered":"<h1 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id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%b5%84%e4%bb%b6-wZGpOJbwNu\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u7d44\u4ef6<\/h2>\n<p>\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u57fa\u672c\u7d44\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\uff1a<\/strong>\u5b58\u5132\u6578\u64da\u7684\u5730\u65b9\uff0c\u901a\u5e38\u7531\u591a\u500b\u8868\u7d44\u6210\u3002<\/li>\n<li><strong>\u6578\u64da\u8868\uff1a<\/strong>\u6578\u64da\u7684\u57fa\u672c\u55ae\u4f4d\uff0c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\uff0c\u6bcf\u4e00\u5217\u4ee3\u8868\u4e00\u500b\u5c6c\u6027\u3002<\/li>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u7528\u65bc\u52a0\u901f\u6578\u64da\u6aa2\u7d22\u7684\u6578\u64da\u7d50\u69cb\uff0c\u985e\u4f3c\u65bc\u66f8\u7c4d\u7684\u76ee\u9304\u3002<\/li>\n<li><strong>\u67e5\u8a62\u8a9e\u8a00\uff1a<\/strong>\u7528\u65bc\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u8a9e\u8a00\uff0c\u6700\u5e38\u7528\u7684\u662f\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%93%8d%e4%bd%9c-wZGpOJbwNu\">\u6578\u64da\u5eab\u7684\u64cd\u4f5c<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u63d2\u5165\uff1a<\/strong>\u5c07\u65b0\u6578\u64da\u6dfb\u52a0\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4f8b\u5982\uff0c\u4f7f\u7528SQL\u8a9e\u53e5\u63d2\u5165\u6578\u64da\uff1a<\/li>\n<pre><code>INSERT INTO users (name, age) VALUES ('Alice', 30);<\/code><\/pre>\n<li><strong>\u6578\u64da\u67e5\u8a62\uff1a<\/strong>\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u4f7f\u7528SQL\u8a9e\u53e5\u67e5\u8a62\u6578\u64da\u7684\u7bc4\u4f8b\uff1a<\/li>\n<pre><code>SELECT * FROM users WHERE age &gt; 25;<\/code><\/pre>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u4fee\u6539\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>UPDATE users SET age = 31 WHERE name = 'Alice';<\/code><\/pre>\n<li><strong>\u6578\u64da\u522a\u9664\uff1a<\/strong>\u5f9e\u6578\u64da\u5eab\u4e2d\u522a\u9664\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>DELETE FROM users WHERE name = 'Alice';<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-wZGpOJbwNu\">\u6578\u64da\u5eab\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u61c9\u7528\u7bc4\u570d\u975e\u5e38\u5ee3\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u7684\u7522\u54c1\u548c\u8a02\u55ae\u7ba1\u7406<\/li>\n<li>\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u7684\u7528\u6236\u8cc7\u6599\u548c\u4e92\u52d5\u8a18\u9304<\/li>\n<li>\u4f01\u696d\u5167\u90e8\u7cfb\u7d71\u7684\u54e1\u5de5\u4fe1\u606f\u548c\u696d\u52d9\u6578\u64da\u7ba1\u7406<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wZGpOJbwNu\">\u7e3d\u7d50<\/h2>\n<p>\u6578\u64da\u5eab\u7cfb\u7d71\u662f\u73fe\u4ee3\u4fe1\u606f\u6280\u8853\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u7121\u8ad6\u662f\u95dc\u4fc2\u578b\u9084\u662f\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u90fd\u5728\u5404\u884c\u5404\u696d\u4e2d\u767c\u63ee\u8457\u91cd\u8981\u4f5c\u7528\u3002\u4e86\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\u548c\u64cd\u4f5c\uff0c\u5c0d\u65bc\u958b\u767c\u8005\u548c\u4f01\u696d\u7ba1\u7406\u8005\u4f86\u8aaa\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u82e5\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> 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